<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>文件上传</title>
</head>
<body>

<form action="/file/upload" method="post" enctype="multipart/form-data">
    单个文件上传：<br/>
    <input type="file" name="file" />
    <input type="submit" value="提交"/>
</form>

</body>
</html>